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<h2 title="Class DelegatingJoinable" class="title">Class DelegatingJoinable</h2>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>, <a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html" title="interface in org.apache.openjpa.jdbc.meta">Joinable</a></dd>
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<pre>public class <span class="typeNameLabel">DelegatingJoinable</span>
extends <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html" title="interface in org.apache.openjpa.jdbc.meta">Joinable</a></pre>
<div class="block">Delegates to another <a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html" title="interface in org.apache.openjpa.jdbc.meta"><code>Joinable</code></a> after doing column
translation. Useful for joins that are not managed by any fields on
the joined-from side. For example, a vertical class mapping manages
foreign key columns linking to the superclass table. It needs to use
the joinables of the superclass to actually extract the column values
from field values and so forth, but in order for other mappings to join
to its foreign key columns it needs joinables of its own. So it creates
delegating joinables.</div>
<dl>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>Abe White</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../serialized-form.html#org.apache.openjpa.jdbc.meta.DelegatingJoinable">Serialized Form</a></dd>
</dl>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/meta/DelegatingJoinable.html#DelegatingJoinable-org.apache.openjpa.jdbc.meta.Joinable-org.apache.openjpa.jdbc.schema.Column:A-">DelegatingJoinable</a></span>(<a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html" title="interface in org.apache.openjpa.jdbc.meta">Joinable</a>&nbsp;join,
<a href="../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>[]&nbsp;cols)</code>
<div class="block">Constructor.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/meta/DelegatingJoinable.html#DelegatingJoinable-org.apache.openjpa.jdbc.meta.Joinable-org.apache.openjpa.jdbc.schema.ForeignKey-">DelegatingJoinable</a></span>(<a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html" title="interface in org.apache.openjpa.jdbc.meta">Joinable</a>&nbsp;join,
<a href="../../../../../org/apache/openjpa/jdbc/schema/ForeignKey.html" title="class in org.apache.openjpa.jdbc.schema">ForeignKey</a>&nbsp;fk)</code>
<div class="block">Constructor.</div>
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<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/meta/DelegatingJoinable.html#getColumns--">getColumns</a></span>()</code>
<div class="block">The columns managed by this joinable.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/meta/DelegatingJoinable.html#getFieldIndex--">getFieldIndex</a></span>()</code>
<div class="block">Return the field index of this joinable, or -1 if not a field.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/meta/DelegatingJoinable.html#getJoinValue-java.lang.Object-org.apache.openjpa.jdbc.schema.Column-org.apache.openjpa.jdbc.kernel.JDBCStore-">getJoinValue</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;val,
<a href="../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>&nbsp;col,
<a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a>&nbsp;store)</code>
<div class="block">Return the join value of the given column.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/meta/DelegatingJoinable.html#getJoinValue-org.apache.openjpa.kernel.OpenJPAStateManager-org.apache.openjpa.jdbc.schema.Column-org.apache.openjpa.jdbc.kernel.JDBCStore-">getJoinValue</a></span>(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
<a href="../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>&nbsp;col,
<a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a>&nbsp;store)</code>
<div class="block">Return the join value of the given column.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/meta/DelegatingJoinable.html#getPrimaryKeyValue-org.apache.openjpa.jdbc.sql.Result-org.apache.openjpa.jdbc.schema.Column:A-org.apache.openjpa.jdbc.schema.ForeignKey-org.apache.openjpa.jdbc.kernel.JDBCStore-org.apache.openjpa.jdbc.sql.Joins-">getPrimaryKeyValue</a></span>(<a href="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</a>&nbsp;res,
<a href="../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>[]&nbsp;cols,
<a href="../../../../../org/apache/openjpa/jdbc/schema/ForeignKey.html" title="class in org.apache.openjpa.jdbc.schema">ForeignKey</a>&nbsp;fk,
<a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a>&nbsp;store,
<a href="../../../../../org/apache/openjpa/jdbc/sql/Joins.html" title="interface in org.apache.openjpa.jdbc.sql">Joins</a>&nbsp;joins)</code>
<div class="block">Return the value for this joinable from the given result, using the
given columns.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/meta/DelegatingJoinable.html#setAutoAssignedValue-org.apache.openjpa.kernel.OpenJPAStateManager-org.apache.openjpa.jdbc.kernel.JDBCStore-org.apache.openjpa.jdbc.schema.Column-java.lang.Object-">setAutoAssignedValue</a></span>(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
<a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a>&nbsp;store,
<a href="../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>&nbsp;col,
<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;autogen)</code>
<div class="block">Use the given auto-assigned value to set this join value's field
on the given instance.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<pre>public&nbsp;DelegatingJoinable(<a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html" title="interface in org.apache.openjpa.jdbc.meta">Joinable</a>&nbsp;join,
<a href="../../../../../org/apache/openjpa/jdbc/schema/ForeignKey.html" title="class in org.apache.openjpa.jdbc.schema">ForeignKey</a>&nbsp;fk)</pre>
<div class="block">Constructor.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>join</code> - the mapping to delegate to</dd>
<dd><code>fk</code> - the foreign key to use to translate any given columns
to the given delegate's columns</dd>
</dl>
</li>
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<pre>public&nbsp;DelegatingJoinable(<a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html" title="interface in org.apache.openjpa.jdbc.meta">Joinable</a>&nbsp;join,
<a href="../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>[]&nbsp;cols)</pre>
<div class="block">Constructor.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>join</code> - the mapping to delegate to</dd>
<dd><code>cols</code> - translated columns</dd>
</dl>
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<pre>public&nbsp;int&nbsp;getFieldIndex()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html#getFieldIndex--">Joinable</a></code></span></div>
<div class="block">Return the field index of this joinable, or -1 if not a field.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html#getFieldIndex--">getFieldIndex</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html" title="interface in org.apache.openjpa.jdbc.meta">Joinable</a></code></dd>
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<pre>public&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;getPrimaryKeyValue(<a href="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</a>&nbsp;res,
<a href="../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>[]&nbsp;cols,
<a href="../../../../../org/apache/openjpa/jdbc/schema/ForeignKey.html" title="class in org.apache.openjpa.jdbc.schema">ForeignKey</a>&nbsp;fk,
<a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a>&nbsp;store,
<a href="../../../../../org/apache/openjpa/jdbc/sql/Joins.html" title="interface in org.apache.openjpa.jdbc.sql">Joins</a>&nbsp;joins)
throws <a href="http://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html#getPrimaryKeyValue-org.apache.openjpa.jdbc.sql.Result-org.apache.openjpa.jdbc.schema.Column:A-org.apache.openjpa.jdbc.schema.ForeignKey-org.apache.openjpa.jdbc.kernel.JDBCStore-org.apache.openjpa.jdbc.sql.Joins-">Joinable</a></code></span></div>
<div class="block">Return the value for this joinable from the given result, using the
given columns. If the given foreign key is non-null, use the foreign
key's columns by translating the given columns through
<a href="../../../../../org/apache/openjpa/jdbc/schema/ForeignKey.html#getColumn-org.apache.openjpa.jdbc.schema.Column-"><code>ForeignKey.getColumn(org.apache.openjpa.jdbc.schema.Column)</code></a>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html#getPrimaryKeyValue-org.apache.openjpa.jdbc.sql.Result-org.apache.openjpa.jdbc.schema.Column:A-org.apache.openjpa.jdbc.schema.ForeignKey-org.apache.openjpa.jdbc.kernel.JDBCStore-org.apache.openjpa.jdbc.sql.Joins-">getPrimaryKeyValue</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html" title="interface in org.apache.openjpa.jdbc.meta">Joinable</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></code></dd>
</dl>
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<pre>public&nbsp;<a href="../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>[]&nbsp;getColumns()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html#getColumns--">Joinable</a></code></span></div>
<div class="block">The columns managed by this joinable.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html#getColumns--">getColumns</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html" title="interface in org.apache.openjpa.jdbc.meta">Joinable</a></code></dd>
</dl>
</li>
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<h4>getJoinValue</h4>
<pre>public&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;getJoinValue(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;val,
<a href="../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>&nbsp;col,
<a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a>&nbsp;store)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html#getJoinValue-java.lang.Object-org.apache.openjpa.jdbc.schema.Column-org.apache.openjpa.jdbc.kernel.JDBCStore-">Joinable</a></code></span></div>
<div class="block">Return the join value of the given column.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html#getJoinValue-java.lang.Object-org.apache.openjpa.jdbc.schema.Column-org.apache.openjpa.jdbc.kernel.JDBCStore-">getJoinValue</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html" title="interface in org.apache.openjpa.jdbc.meta">Joinable</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>val</code> - the value of the field for this joinable</dd>
<dd><code>col</code> - the column of this joinable whose value to return</dd>
</dl>
</li>
</ul>
<a name="getJoinValue-org.apache.openjpa.kernel.OpenJPAStateManager-org.apache.openjpa.jdbc.schema.Column-org.apache.openjpa.jdbc.kernel.JDBCStore-">
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<h4>getJoinValue</h4>
<pre>public&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;getJoinValue(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
<a href="../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>&nbsp;col,
<a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a>&nbsp;store)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html#getJoinValue-org.apache.openjpa.kernel.OpenJPAStateManager-org.apache.openjpa.jdbc.schema.Column-org.apache.openjpa.jdbc.kernel.JDBCStore-">Joinable</a></code></span></div>
<div class="block">Return the join value of the given column.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html#getJoinValue-org.apache.openjpa.kernel.OpenJPAStateManager-org.apache.openjpa.jdbc.schema.Column-org.apache.openjpa.jdbc.kernel.JDBCStore-">getJoinValue</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html" title="interface in org.apache.openjpa.jdbc.meta">Joinable</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>sm</code> - the instance from which to get the value</dd>
<dd><code>col</code> - the column whose value to return</dd>
</dl>
</li>
</ul>
<a name="setAutoAssignedValue-org.apache.openjpa.kernel.OpenJPAStateManager-org.apache.openjpa.jdbc.kernel.JDBCStore-org.apache.openjpa.jdbc.schema.Column-java.lang.Object-">
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<h4>setAutoAssignedValue</h4>
<pre>public&nbsp;void&nbsp;setAutoAssignedValue(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
<a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a>&nbsp;store,
<a href="../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>&nbsp;col,
<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;autogen)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html#setAutoAssignedValue-org.apache.openjpa.kernel.OpenJPAStateManager-org.apache.openjpa.jdbc.kernel.JDBCStore-org.apache.openjpa.jdbc.schema.Column-java.lang.Object-">Joinable</a></code></span></div>
<div class="block">Use the given auto-assigned value to set this join value's field
on the given instance.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html#setAutoAssignedValue-org.apache.openjpa.kernel.OpenJPAStateManager-org.apache.openjpa.jdbc.kernel.JDBCStore-org.apache.openjpa.jdbc.schema.Column-java.lang.Object-">setAutoAssignedValue</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/meta/Joinable.html" title="interface in org.apache.openjpa.jdbc.meta">Joinable</a></code></dd>
</dl>
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</ul>
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